TRAIL - Technical Report Archive and Image Library

Evaluation of selected lode gold deposits in the Chugach National Forest, Alaska

A statistical analysis of metal and nonmetal mine fire incidents in the United States from 1950 to 1984

Human engineering and human resources management in mining :proceedings

Foreign direct investment in the U.S. minerals industry

Suggested minimum performance specifications for underground coal mine environmental monitoring systems

Causes of coal miner absenteeism

Recovery of critical metals by carbonyl processing

Damping properties of selected steels and cast irons

Method factors for anemometer measurement at pipe outlets

Analysis of the oxidation of chalcopyrite, chalcocite, galena, pyrrhotite, marcasite, and arsenopyrite

Column length criteria for resin bolting in evaporites

Dual leaching method for recovering silver and manganese from domestic manganifferrous silver deposits

Time-dependent behavior of coal measure rocks :adsorption rate and strength degradation

Capability evaluation of the radial-axial splitter

Analysis of cutter roof failure induced by clastic dikes in an underground coal mine

Avoiding Anchorage problems with resin-grouted roof bolts

Assessment of longwall roof behavior and support loading by linear elastic modeling of the support structure

Stemming ejection and burden movements from small borehole blasts

Arch canopy design procedure for rehabilitation of high-roof-fall areas

High-temperature relative enthalpies and related thermodynamic properties of CuI

Spontaneous combustion studies of U.S. coals

Calculating fire-throttling of mine ventilation airflow

Sampling, characterization, and evaluation of Midwest clays for iron ore pellet bonding

Fracture geometries in three ore bodies mined by undercut caving as determined from oriented drill core and scanline mapping

Fire tests of rigid plastic ventilation ducts

Three-dimensional shield mechanics

Selective elution of mercury, silver, and gold from strong-base anion-exchange resins

Leaching of phosphate values from two central Florida ores using H₂SO₄-methanol mixtures

Case evaluation of a surface seismic reflection technique for delineating coalbed discontinuities

Indices of mine safety resulting from the application of the Poisson distribution to mine accident data

Extended bumper designs for large haulage trucks

Effects of barium-based additive on diesel exhaust particulate

Leakage and performance characteristics of large stoppings for room-and-pillar mining

Leaching of domestic manganese ores with dissolved SO₂

Recovery of cobalt and copper from complex sulfide concentrates

Cost estimation handbook for small placer mines

Respirable dust levels in coal, metal, and nonmetal mines

Mined land subsidence impacts on farmland with potential application to Illinois :a literature review

Hose safety during high-pressure water-jet cutting

MgO filtration research

Coal combustion in a ventilated tunnel

A review of the mechanisms of gas outbursts in coal

Roof and rib fall accident and cost statistics :an in-depth study

Mining applications of life support technology :proceedings, Bureau of Mines Technology Transfer Seminar, Pittsburgh, PA, November 20, 1986

Fine grinding of coal by a turbomilling process

Measurement of incombustible content of coal mine dust samples

Water infusion for coal mine dust control :three case studies

Physical properties and mechanical cutting characteristics of cobalt-rich managanese crusts

An investigation of crack propagation with a wedge indenter to improve rock fragmentation efficiency

Recovery of cobalt from spent copper leach solution using continuous ion exchange

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